[book] Nudge: Improving Decisions about Health, Wealth, and Happiness is a book written by Richard H. Thaler and Cass R. Sunstein. The book draws on research in psychology and behavioral economics to defend libertarian paternalism and active engineering of choice architecture. The book received mixed reviews. The Guardian described it as `n...Found on http://en.wikipedia.org/wiki/Nudge_(book)

• (n.) A gentle push, or jog, as with the elbow. • (v. t.) To touch gently, as with the elbow, in order to call attention or convey intimation. • (n.) A gentle push, or jog, as with the elbow. • (v. t.) To touch gently, as with the elbow, in order to call attention or convey intimation.Found on http://thinkexist.com/dictionary/meaning/nudge/

[instant messaging] Nudge, also known as buzz, is a feature of instant messaging software used to get the attention of another user, for example, by shaking the conversation window or playing a sound. The feature was first introduced in MSN Messenger 7.0, in 2005.{fact|date=December 2010} XMPP extension protocol XEP-0224 calls this feature ...Found on http://en.wikipedia.org/wiki/Nudge_(instant_messaging)